... 3.Flat package and light weight 4.How power requirement 5.Rohs compliant 10.0mm(4.2")5*7 dot matrix LED display ... ,5.0mm,10.0mm, according to requirements (various dimensions available)2) Color: red, green, yellow, blue, orange,rgb, opt 3) ... life-span, low voltage, energy saving, even luminance, good stability.4). 5x7dots, 5x8dots, 8x8dots; 16x16dots5). Low power consumption6). Meet RoHS, ISO ...